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Measurement of the $$^{77}$$Se($$gamma$$, n) cross section and uncertainty evaluation of the $$^{79}$$Se(n, $$gamma$$) cross section

Kitatani, Fumito  ; Harada, Hideo   ; Goko, Shinji*; Iwamoto, Nobuyuki  ; Utsunomiya, Hiroaki*; Akimune, Hidetoshi*; Toyokawa, Hiroyuki*; Yamada, Kawakatsu*; Igashira, Masayuki*

We precisely measured the ($$gamma$$, n) cross section for $$^{77}$$Se by developing a spectroscopic method utilizing Laser Compton-Scattering $$gamma$$-rays. Moreover, the $$^{79}$$Se(n, $$gamma$$) $$^{80}$$Se cross section was deduced using the statistical model calculation code CCONE with $$gamma$$-ray strength functions adjusted to reproduce the ($$gamma$$, n) cross sections for $$^{77}$$Se and the even Se isotopes $$^{76}$$Se, $$^{78}$$Se and $$^{80}$$Se. The reliability of the $$^{79}$$Se(n, $$gamma$$) $$^{80}$$Se cross section calculated by CCONE with the adjusted $$gamma$$-ray strength function was evaluated by comparing available experimental (n, $$gamma$$) cross sections for stable $$^{76, 77}$$Se isotopes and those calculated by CCONE with the adjusted $$gamma$$-ray strength function. The result provides fundamental data for the study of nuclear transmutation for the long-lived fission product of $$^{79}$$Se.

Language

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English

Journal

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Journal of Nuclear Science and Technology

Volume

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53

Number

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4

Pages

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p.475 - 485

Publication Year/Month

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2016/04

Meeting title

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Held date

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Location (country)

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Patent information

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Paper URL

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https://doi.org/10.1080/00223131.2015.1056760

DOI for research data

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Keywords

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photonuclear reaction; neutron capture cross section; inverse reaction; Se-76; Se-77; Se-78; Se-79; Se-80; laser-Compton scattering gamma-rays; gamma-ray strength function

Research Facility

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Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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東京工業大学; 甲南大学; 産業総合研究所

Accesses

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- Accesses

InCites™

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Percentile:43.41

Category:Nuclear Science & Technology

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